Ajax request using jquery
$.ajax({ type : "POST ", url : "/login" , cache: false, data : {userId: 'test-user' , timestamp: '20121119' }, dataType: 'json' , success: function (data) { $.each(data, function(index, element) { alert(index+" and "+element); }); }, error: function(jqXHR, exception) { if (jqXHR.status === 0) { alert('Not connect.\n Verify Network.'); } else if (jqXHR.status == 404) { alert('Requested page not found. [404]'); } else if (jqXHR.status == 500) { alert('Internal Server Error [500].'); } else if (exception === 'parsererror') { alert('Requested JSON parse failed.'); } else if (exception === 'timeout') {